Science News Roundup: Patagonian fossils show Jurassic dinosaur had the herd mentality; Vikings crossed the Atlantic 1,000 years ago and more

, Science News Roundup: Patagonian fossils show Jurassic dinosaur had the herd mentality; Vikings crossed the Atlantic 1,000 years ago and more, TheCircularEconomy.comScientists said on Thursday the fossils include more than 100 dinosaur eggs and the bones of about 80 juveniles and adults of a Jurassic Period plant-eating species called Mussaurus patagonicus, including 20 remarkably complete skeletons. Big John – named after the owner of the land where the dinosaur’s bones were found – roamed modern-day South Dakota more than 66 million years ago.  Goodbye, Columbus: Vikings crossed the Atlantic 1,000 years ago – Long before Columbus crossed the Atlantic, eight timber-framed buildings covered in sod stood on a terrace above a peat bog and stream at the northern tip of Canada’s island of Newfoundland, evidence that the Vikings had reached the New World first. But precisely when the Vikings journeyed to establish the L’Anse aux Meadows settlement had remained unclear – until now.

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